From 65ab5f7b62c7c4eda245d88c34354450ad0fe1d8 Mon Sep 17 00:00:00 2001 From: Robert Osfield Date: Wed, 2 Oct 2002 15:28:17 +0000 Subject: [PATCH] Added osgteapot demo to show how to implement custom Drawables to wrap up OpenGL code. --- Make/debugtests.bat | 4 + Make/makedirdefs | 1 + Make/osgtests.bat | 3 + VisualStudio/Demos/osgteapot/osgteapot.dsp | 96 ++++++ VisualStudio/VisualStudio.dsw | 27 ++ src/Demos/osgteapot/Makefile | 15 + src/Demos/osgteapot/Makefile.inst | 11 + src/Demos/osgteapot/osgteapot.cpp | 349 +++++++++++++++++++++ 8 files changed, 506 insertions(+) create mode 100755 VisualStudio/Demos/osgteapot/osgteapot.dsp create mode 100644 src/Demos/osgteapot/Makefile create mode 100644 src/Demos/osgteapot/Makefile.inst create mode 100644 src/Demos/osgteapot/osgteapot.cpp diff --git a/Make/debugtests.bat b/Make/debugtests.bat index aebe9aac4..152487b3b 100755 --- a/Make/debugtests.bat +++ b/Make/debugtests.bat @@ -91,6 +91,10 @@ echo osgstereoimage Images/dog_left_eye.jpg Images/dog_right_eye.jpg osgstereoimage Images/dog_left_eye.jpg Images/dog_right_eye.jpg more memleaks.log +echo osgteapot +osgteapot +more memleaks.log + echo osgtext osgtext more memleaks.log diff --git a/Make/makedirdefs b/Make/makedirdefs index d00c62efc..a1d03ea10 100644 --- a/Make/makedirdefs +++ b/Make/makedirdefs @@ -89,6 +89,7 @@ DEMOS_DIRS = \ osgscribe\ osgstereoimage\ osgsequence\ + osgteapot\ osgtext\ osgtexture1D\ osgtexture2D\ diff --git a/Make/osgtests.bat b/Make/osgtests.bat index 535a17718..6736a4181 100755 --- a/Make/osgtests.bat +++ b/Make/osgtests.bat @@ -64,6 +64,9 @@ osgscribe cow.osg echo osgstereoimage Images/dog_left_eye.jpg Images/dog_right_eye.jpg osgstereoimage Images/dog_left_eye.jpg Images/dog_right_eye.jpg +echo osgteapot +osgteapot + echo osgtext osgtext diff --git a/VisualStudio/Demos/osgteapot/osgteapot.dsp b/VisualStudio/Demos/osgteapot/osgteapot.dsp new file mode 100755 index 000000000..4df9c509b --- /dev/null +++ b/VisualStudio/Demos/osgteapot/osgteapot.dsp @@ -0,0 +1,96 @@ +# Microsoft Developer Studio Project File - Name="Demo osgteapot" - Package Owner=<4> +# Microsoft Developer Studio Generated Build File, Format Version 6.00 +# ** DO NOT EDIT ** + +# TARGTYPE "Win32 (x86) Console Application" 0x0103 + +CFG=Demo osgteapot - Win32 Release +!MESSAGE This is not a valid makefile. To build this project using NMAKE, +!MESSAGE use the Export Makefile command and run +!MESSAGE +!MESSAGE NMAKE /f "osgteapot.mak". +!MESSAGE +!MESSAGE You can specify a configuration when running NMAKE +!MESSAGE by defining the macro CFG on the command line. For example: +!MESSAGE +!MESSAGE NMAKE /f "osgteapot.mak" CFG="Demo osgteapot - Win32 Release" +!MESSAGE +!MESSAGE Possible choices for configuration are: +!MESSAGE +!MESSAGE "Demo osgteapot - Win32 Release" (based on "Win32 (x86) Console Application") +!MESSAGE "Demo osgteapot - Win32 Debug" (based on "Win32 (x86) Console Application") +!MESSAGE + +# Begin Project +# PROP AllowPerConfigDependencies 0 +# PROP Scc_ProjName "" +# PROP Scc_LocalPath "" +CPP=cl.exe +RSC=rc.exe + +!IF "$(CFG)" == "Demo osgteapot - Win32 Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "Release" +# PROP BASE Intermediate_Dir "Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Release" +# PROP Intermediate_Dir "Release" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c +# ADD CPP /nologo /MD /W3 /GR /GX /O2 /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c +# ADD BASE RSC /l 0x809 /d "NDEBUG" +# ADD RSC /l 0x809 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 /nologo /subsystem:console /pdb:none /machine:I386 /out:"../../../bin/osgteapot.exe" /libpath:"../../../lib" + +!ELSEIF "$(CFG)" == "Demo osgteapot - Win32 Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "Debug" +# PROP BASE Intermediate_Dir "Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Debug" +# PROP Intermediate_Dir "Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c +# ADD CPP /nologo /MDd /W3 /Gm /vd0 /GR /GX /Zi /Od /I "../../../include" /D "_CONSOLE" /D "_MBCS" /D "FL_DLL" /D "WIN32" /D "_DEBUG" /FR /YX /FD /c +# ADD BASE RSC /l 0x809 /d "_DEBUG" +# ADD RSC /l 0x809 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /subsystem:console /debug /machine:I386 /nodefaultlib:"libcmt" /out:"../../../bin/osgteapotd.exe" /pdbtype:sept /libpath:"../../../lib" +# SUBTRACT LINK32 /incremental:no + +!ENDIF + +# Begin Target + +# Name "Demo osgteapot - Win32 Release" +# Name "Demo osgteapot - Win32 Debug" +# Begin Source File + +SOURCE=..\..\..\src\Demos\osgteapot\osgteapot.cpp +# End Source File +# End Target +# Begin Group "Resource Files" + +# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe" +# End Group +# End Project +ÿÿ \ No newline at end of file diff --git a/VisualStudio/VisualStudio.dsw b/VisualStudio/VisualStudio.dsw index caf1bf7f0..6b912aa7e 100644 --- a/VisualStudio/VisualStudio.dsw +++ b/VisualStudio/VisualStudio.dsw @@ -354,6 +354,33 @@ Package=<4> ############################################################################### +Project: "Demo osgteapot"=.\Demos\osgteapot\osgteapot.dsp - Package Owner=<4> + +Package=<5> +{{{ +}}} + +Package=<4> +{{{ + Begin Project Dependency + Project_Dep_Name Core osg + End Project Dependency + Begin Project Dependency + Project_Dep_Name Core osgDB + End Project Dependency + Begin Project Dependency + Project_Dep_Name Core osgGA + End Project Dependency + Begin Project Dependency + Project_Dep_Name Core osgGLUT + End Project Dependency + Begin Project Dependency + Project_Dep_Name Core osgUtil + End Project Dependency +}}} + +############################################################################################################################################################## + Project: "Demo osggeometry"=.\Demos\osggeometry\osggeometry.dsp - Package Owner=<4> Package=<5> diff --git a/src/Demos/osgteapot/Makefile b/src/Demos/osgteapot/Makefile new file mode 100644 index 000000000..4c9415a94 --- /dev/null +++ b/src/Demos/osgteapot/Makefile @@ -0,0 +1,15 @@ +TOPDIR = ../../.. +include $(TOPDIR)/Make/makedefs + +CXXFILES =\ + osgteapot.cpp\ + +LIBS += $(OSG_LIBS) $(GLUT_LIB) $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS) + +INSTFILES = \ + $(CXXFILES)\ + Makefile.inst=Makefile + +EXEC = osgteapot + +include $(TOPDIR)/Make/makerules diff --git a/src/Demos/osgteapot/Makefile.inst b/src/Demos/osgteapot/Makefile.inst new file mode 100644 index 000000000..9ef09d1cf --- /dev/null +++ b/src/Demos/osgteapot/Makefile.inst @@ -0,0 +1,11 @@ +TOPDIR = ../.. +include $(TOPDIR)/Make/makedefs + +CXXFILES =\ + osgcube.cpp\ + +LIBS += $(OSG_LIBS) $(GLUT_LIB) $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS) + +EXEC = osgcube + +include $(TOPDIR)/Make/makerules diff --git a/src/Demos/osgteapot/osgteapot.cpp b/src/Demos/osgteapot/osgteapot.cpp new file mode 100644 index 000000000..aff8fc6cd --- /dev/null +++ b/src/Demos/osgteapot/osgteapot.cpp @@ -0,0 +1,349 @@ +#include +#include +#include + +#include + +#include + +#include +#include + + +// The classic OpenGL teapot... taken form glut-3.7/lib/glut/glut_teapot.c + +/* Copyright (c) Mark J. Kilgard, 1994. */ + +/** +(c) Copyright 1993, Silicon Graphics, Inc. + +ALL RIGHTS RESERVED + +Permission to use, copy, modify, and distribute this software +for any purpose and without fee is hereby granted, provided +that the above copyright notice appear in all copies and that +both the copyright notice and this permission notice appear in +supporting documentation, and that the name of Silicon +Graphics, Inc. not be used in advertising or publicity +pertaining to distribution of the software without specific, +written prior permission. + +THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU +"AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR +OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF +MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO +EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE +ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR +CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER, +INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE, +SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR +NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF THE POSSIBILITY +OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR +PERFORMANCE OF THIS SOFTWARE. + +US Government Users Restricted Rights + +Use, duplication, or disclosure by the Government is subject to +restrictions set forth in FAR 52.227.19(c)(2) or subparagraph +(c)(1)(ii) of the Rights in Technical Data and Computer +Software clause at DFARS 252.227-7013 and/or in similar or +successor clauses in the FAR or the DOD or NASA FAR +Supplement. Unpublished-- rights reserved under the copyright +laws of the United States. Contractor/manufacturer is Silicon +Graphics, Inc., 2011 N. Shoreline Blvd., Mountain View, CA +94039-7311. + +OpenGL(TM) is a trademark of Silicon Graphics, Inc. +*/ + + +/* Rim, body, lid, and bottom data must be reflected in x and + y; handle and spout data across the y axis only. */ + +static int patchdata[][16] = +{ + /* rim */ + {102, 103, 104, 105, 4, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15}, + /* body */ + {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27}, + {24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, + 37, 38, 39, 40}, + /* lid */ + {96, 96, 96, 96, 97, 98, 99, 100, 101, 101, 101, + 101, 0, 1, 2, 3,}, + {0, 1, 2, 3, 106, 107, 108, 109, 110, 111, 112, + 113, 114, 115, 116, 117}, + /* bottom */ + {118, 118, 118, 118, 124, 122, 119, 121, 123, 126, + 125, 120, 40, 39, 38, 37}, + /* handle */ + {41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + 53, 54, 55, 56}, + {53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, + 28, 65, 66, 67}, + /* spout */ + {68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83}, + {80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, + 92, 93, 94, 95} +}; +/* *INDENT-OFF* */ + +static float cpdata[][3] = +{ + {0.2, 0, 2.7}, {0.2, -0.112, 2.7}, {0.112, -0.2, 2.7}, {0, + -0.2, 2.7}, {1.3375, 0, 2.53125}, {1.3375, -0.749, 2.53125}, + {0.749, -1.3375, 2.53125}, {0, -1.3375, 2.53125}, {1.4375, + 0, 2.53125}, {1.4375, -0.805, 2.53125}, {0.805, -1.4375, + 2.53125}, {0, -1.4375, 2.53125}, {1.5, 0, 2.4}, {1.5, -0.84, + 2.4}, {0.84, -1.5, 2.4}, {0, -1.5, 2.4}, {1.75, 0, 1.875}, + {1.75, -0.98, 1.875}, {0.98, -1.75, 1.875}, {0, -1.75, + 1.875}, {2, 0, 1.35}, {2, -1.12, 1.35}, {1.12, -2, 1.35}, + {0, -2, 1.35}, {2, 0, 0.9}, {2, -1.12, 0.9}, {1.12, -2, + 0.9}, {0, -2, 0.9}, {-2, 0, 0.9}, {2, 0, 0.45}, {2, -1.12, + 0.45}, {1.12, -2, 0.45}, {0, -2, 0.45}, {1.5, 0, 0.225}, + {1.5, -0.84, 0.225}, {0.84, -1.5, 0.225}, {0, -1.5, 0.225}, + {1.5, 0, 0.15}, {1.5, -0.84, 0.15}, {0.84, -1.5, 0.15}, {0, + -1.5, 0.15}, {-1.6, 0, 2.025}, {-1.6, -0.3, 2.025}, {-1.5, + -0.3, 2.25}, {-1.5, 0, 2.25}, {-2.3, 0, 2.025}, {-2.3, -0.3, + 2.025}, {-2.5, -0.3, 2.25}, {-2.5, 0, 2.25}, {-2.7, 0, + 2.025}, {-2.7, -0.3, 2.025}, {-3, -0.3, 2.25}, {-3, 0, + 2.25}, {-2.7, 0, 1.8}, {-2.7, -0.3, 1.8}, {-3, -0.3, 1.8}, + {-3, 0, 1.8}, {-2.7, 0, 1.575}, {-2.7, -0.3, 1.575}, {-3, + -0.3, 1.35}, {-3, 0, 1.35}, {-2.5, 0, 1.125}, {-2.5, -0.3, + 1.125}, {-2.65, -0.3, 0.9375}, {-2.65, 0, 0.9375}, {-2, + -0.3, 0.9}, {-1.9, -0.3, 0.6}, {-1.9, 0, 0.6}, {1.7, 0, + 1.425}, {1.7, -0.66, 1.425}, {1.7, -0.66, 0.6}, {1.7, 0, + 0.6}, {2.6, 0, 1.425}, {2.6, -0.66, 1.425}, {3.1, -0.66, + 0.825}, {3.1, 0, 0.825}, {2.3, 0, 2.1}, {2.3, -0.25, 2.1}, + {2.4, -0.25, 2.025}, {2.4, 0, 2.025}, {2.7, 0, 2.4}, {2.7, + -0.25, 2.4}, {3.3, -0.25, 2.4}, {3.3, 0, 2.4}, {2.8, 0, + 2.475}, {2.8, -0.25, 2.475}, {3.525, -0.25, 2.49375}, + {3.525, 0, 2.49375}, {2.9, 0, 2.475}, {2.9, -0.15, 2.475}, + {3.45, -0.15, 2.5125}, {3.45, 0, 2.5125}, {2.8, 0, 2.4}, + {2.8, -0.15, 2.4}, {3.2, -0.15, 2.4}, {3.2, 0, 2.4}, {0, 0, + 3.15}, {0.8, 0, 3.15}, {0.8, -0.45, 3.15}, {0.45, -0.8, + 3.15}, {0, -0.8, 3.15}, {0, 0, 2.85}, {1.4, 0, 2.4}, {1.4, + -0.784, 2.4}, {0.784, -1.4, 2.4}, {0, -1.4, 2.4}, {0.4, 0, + 2.55}, {0.4, -0.224, 2.55}, {0.224, -0.4, 2.55}, {0, -0.4, + 2.55}, {1.3, 0, 2.55}, {1.3, -0.728, 2.55}, {0.728, -1.3, + 2.55}, {0, -1.3, 2.55}, {1.3, 0, 2.4}, {1.3, -0.728, 2.4}, + {0.728, -1.3, 2.4}, {0, -1.3, 2.4}, {0, 0, 0}, {1.425, + -0.798, 0}, {1.5, 0, 0.075}, {1.425, 0, 0}, {0.798, -1.425, + 0}, {0, -1.5, 0.075}, {0, -1.425, 0}, {1.5, -0.84, 0.075}, + {0.84, -1.5, 0.075} +}; + +static float tex[2][2][2] = +{ + { {0, 0}, + {1, 0}}, + { {0, 1}, + {1, 1}} +}; + +/* *INDENT-ON* */ + +static void +teapot(GLint grid, GLenum type) +{ + float p[4][4][3], q[4][4][3], r[4][4][3], s[4][4][3]; + long i, j, k, l; + + glPushAttrib(GL_ENABLE_BIT | GL_EVAL_BIT); + glEnable(GL_AUTO_NORMAL); + glEnable(GL_NORMALIZE); + glEnable(GL_MAP2_VERTEX_3); + glEnable(GL_MAP2_TEXTURE_COORD_2); + for (i = 0; i < 10; i++) { + for (j = 0; j < 4; j++) { + for (k = 0; k < 4; k++) { + for (l = 0; l < 3; l++) { + p[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l]; + q[j][k][l] = cpdata[patchdata[i][j * 4 + (3 - k)]][l]; + if (l == 1) + q[j][k][l] *= -1.0; + if (i < 6) { + r[j][k][l] = + cpdata[patchdata[i][j * 4 + (3 - k)]][l]; + if (l == 0) + r[j][k][l] *= -1.0; + s[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l]; + if (l == 0) + s[j][k][l] *= -1.0; + if (l == 1) + s[j][k][l] *= -1.0; + } + } + } + } + glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2, + &tex[0][0][0]); + glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, + &p[0][0][0]); + glMapGrid2f(grid, 0.0, 1.0, grid, 0.0, 1.0); + glEvalMesh2(type, 0, grid, 0, grid); + glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, + &q[0][0][0]); + glEvalMesh2(type, 0, grid, 0, grid); + if (i < 6) { + glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, + &r[0][0][0]); + glEvalMesh2(type, 0, grid, 0, grid); + glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, + &s[0][0][0]); + glEvalMesh2(type, 0, grid, 0, grid); + } + } + glPopAttrib(); +} + + +// Now the OSG wrapper for the above OpenGL code, the most complicated bit is computing +// the bounding box for the above example, normally you'll find this the easy bit. +class Teapot : public osg::Drawable +{ + public: + Teapot() {} + + /** Copy constructor using CopyOp to manage deep vs shallow copy.*/ + Teapot(const Teapot& teapot,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY): + osg::Drawable(teapot,copyop) {} + + META_Object(myTeapotApp,Teapot) + + + // the draw immediate mode method is where the OSG wraps up the drawing of + // of OpenGL primitives. + virtual void drawImmediateMode(osg::State&) + { + // teapot(..) doens't use vertex arrays at all so we don't need to toggle their state + // if we did we'd need to something like following call + // state.disableAllVertexArrays(), see src/osg/Geometry.cpp for the low down. + + // just call the OpenGL code. + teapot(14,GL_FILL); + } + + + protected: + + virtual ~Teapot() {} + + // we need to set up the bounding box of the data too, so that the scene graph knows where this + // objects is, for both positioning the camera at start up, and most importantly for culling. + virtual bool computeBound() const + { + _bbox.init(); + + // follow is some truely horrible code required to calculate the + // bounding box of the teapot. Have used the original code above to do + // help compute it. + float p[4][4][3], q[4][4][3], r[4][4][3], s[4][4][3]; + long i, j, k, l; + + for (i = 0; i < 10; i++) { + for (j = 0; j < 4; j++) { + for (k = 0; k < 4; k++) { + + for (l = 0; l < 3; l++) { + p[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l]; + q[j][k][l] = cpdata[patchdata[i][j * 4 + (3 - k)]][l]; + if (l == 1) + q[j][k][l] *= -1.0; + + if (i < 6) { + r[j][k][l] = + cpdata[patchdata[i][j * 4 + (3 - k)]][l]; + if (l == 0) + r[j][k][l] *= -1.0; + s[j][k][l] = cpdata[patchdata[i][j * 4 + k]][l]; + if (l == 0) + s[j][k][l] *= -1.0; + if (l == 1) + s[j][k][l] *= -1.0; + } + } + + _bbox.expandBy(osg::Vec3(p[j][k][0],p[j][k][1],p[j][k][2])); + _bbox.expandBy(osg::Vec3(q[j][k][0],q[j][k][1],q[j][k][2])); + + if (i < 6) + { + _bbox.expandBy(osg::Vec3(r[j][k][0],r[j][k][1],r[j][k][2])); + _bbox.expandBy(osg::Vec3(s[j][k][0],s[j][k][1],s[j][k][2])); + } + + + } + } + } + + _bbox_computed = true; + return true; + } +}; + + +osg::Geode* createTeapot() +{ + osg::Geode* geode = osgNew osg::Geode(); + + // add the teapot to the geode. + geode->addDrawable( new Teapot ); + + // add a reflection map to the teapot. + osg::Image* image = osgDB::readImageFile("Images/reflect.rgb"); + if (image) + { + osg::Texture2D* texture = new osg::Texture2D; + texture->setImage(image); + + osg::TexGen* texgen = new osg::TexGen; + texgen->setMode(osg::TexGen::SPHERE_MAP); + + osg::StateSet* stateset = new osg::StateSet; + stateset->setTextureAttributeAndModes(0,texture,osg::StateAttribute::ON); + stateset->setTextureAttributeAndModes(0,texgen,osg::StateAttribute::ON); + + geode->setStateSet(stateset); + } + + return geode; +} + +int main( int argc, char **argv ) +{ + + glutInit( &argc, argv ); + + // create the commandline args. + std::vector commandLine; + for(int i=1;i